Which of the following systems use synchronous communication?
1.Skype video call
2.Facebook Chat
3.Email
4.Messaging on Snapchat
5.Telephone call
A1, 2 & 5 only
B1, 2, 4 & 5 only ✓ Correct
C1, 3, 4 & 5 only
D2 & 3 only
Correct answer: (B) 1, 2, 4 & 5 only
Explanation
Skype video, Facebook Chat, Snapchat messaging and telephone calls are synchronous, so 1, 2, 4 and 5 apply.
Statement 1 a Skype video call happens live between users at the same time.
Statement 2 Facebook Chat exchanges messages instantly in real time.
Statement 3 email is asynchronous, read whenever the recipient chooses.
Statement 4 Snapchat messaging and Statement 5 telephone calls both occur in real time.
Synchronous communication needs all parties active together at once.
Want more like this? Create a free account to practise a full test, track your progress, and get spaced-repetition review.
Practise on Mcqkart →🎓 Book an expert →